a new variation in the design
51Teller-Ulam design — The Teller–Ulam design is a nuclear weapon design which is used in megaton range thermonuclear weapons, and is more colloquially referred to as the secret of the hydrogen bomb . It is named after two of its chief contributors, Hungarian born… …
52Coat of arms of New South Wales — The Arms of Her Majesty in Right of New South Wales Versions State Badge …
53Architecture of the United States — The Architecture of the United States includes a wide variety of architectural styles over its history. Architecture in the US is regionally diverse and has been shaped by many external forces, and can therefore be said to be eclectic, something… …
54History of the creation-evolution controversy — The creation evolution controversy has a long history, beginning with challenges made by various naturalists to biblical accounts of creation. In response to theories developed by scientists, some religious persons and organizations, questioned… …
55Double variation — The double variation (also known as alternating variations) is a musical form used in classical music. It is a type of theme and variations that employs two themes. In a double variation set, a first theme (to be called A here) is followed by a… …
56History of the board game Monopoly — The history of the board game Monopoly can be traced back to the early 1900s. Based on original designs by the American Elizabeth Magie, several board games were developed from 1906 through the 1930s that involved the buying and selling of land… …
57New Worlds Mission — Starshade. The New Worlds Mission is a project planning to build a large occulter in space designed to block the light of nearby stars in order to observe their orbiting planets. The observations could be taken with an existing space telescope,… …
58List of Sonic the Hedgehog video game characters — The Sonic the Hedgehog video game franchise, originally started in 1991 with two main characters: the protagonist, Sonic the Hedgehog, and an antagonist, Dr. Eggman. However, over two decades, Sega expanded the number of characters significantly …
59List of The Prince of Tennis characters — The Prince of Tennis manga and anime series has a large cast of fictional characters created by Takeshi Konomi. Many of have appeared in the musical and film adaptations. The cast of the series is largely made up of the members of the various… …
60Postcodes in the United Kingdom — The postal codes used in the United Kingdom are known as postcodes.[1] They are alphanumeric and were introduced by the Royal Mail over a 15 year period from 11th October 1959 to 1974.[2] A full postcode is known as a postcode unit and usually… …
